CVE-2025-20393
Cisco Multiple Products Improper Input Validation Vulnerability
Summary
Cisco Secure Email Gateway, Secure Email, AsyncOS Software, and Web Manager appliances contains an improper input validation vulnerability that allows threat actors to execute arbitrary commands with root privileges on the underlying operating system of an affected appliance.
Affected software
Vendor: Cisco · Product: Multiple Products
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Cisco
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|---|---|---|---|
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| CVE-2023-20198 | Cisco IOS XE Web UI Privilege Escalation Vulnerability | 99.6% | Yes |
| CVE-2018-0171 | Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability | 99.5% | Yes |
| CVE-2017-3881 | Cisco IOS and IOS XE Remote Code Execution Vulnerability | 99.0% | Yes |
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